//0x40 bytes (sizeof)
struct _WAITING_IRP
{
struct _LIST_ENTRY Links; //0x0
struct _IRP* Irp; //0x10
VOID (*CompletionRoutine)(VOID* arg1, struct _IRP* arg2); //0x18
VOID* Context; //0x20
struct _KEVENT* Event; //0x28
ULONG Information; //0x30
UCHAR BreakAllRH; //0x34
UCHAR OplockBreakNotify; //0x35
struct _FILE_OBJECT* FileObject; //0x38
};